三次元のリスト内包表記のプログラム例を示します．
a = [[[100*i+10*j+k for k in range(10)] for j in range(10)] for i in range(10)]
for i in range(10):
for j in range(10):
print('i: {0:d}\tj: {1:d}\tk[0-9] -> '.format(i,j), a[i][j])
i: 0 j: 0 k[0-9] -> [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] i: 0 j: 1 k[0-9] -> [10, 11, 12, 13, 14, 15, 16, 17, 18, 19] i: 0 j: 2 k[0-9] -> [20, 21, 22, 23, 24, 25, 26, 27, 28, 29] i: 0 j: 3 k[0-9] -> [30, 31, 32, 33, 34, 35, 36, 37, 38, 39] i: 0 j: 4 k[0-9] -> [40, 41, 42, 43, 44, 45, 46, 47, 48, 49] i: 0 j: 5 k[0-9] -> [50, 51, 52, 53, 54, 55, 56, 57, 58, 59] i: 0 j: 6 k[0-9] -> [60, 61, 62, 63, 64, 65, 66, 67, 68, 69] i: 0 j: 7 k[0-9] -> [70, 71, 72, 73, 74, 75, 76, 77, 78, 79] i: 0 j: 8 k[0-9] -> [80, 81, 82, 83, 84, 85, 86, 87, 88, 89] i: 0 j: 9 k[0-9] -> [90, 91, 92, 93, 94, 95, 96, 97, 98, 99] i: 1 j: 0 k[0-9] -> [100, 101, 102, 103, 104, 105, 106, 107, 108, 109] i: 1 j: 1 k[0-9] -> [110, 111, 112, 113, 114, 115, 116, 117, 118, 119] i: 1 j: 2 k[0-9] -> [120, 121, 122, 123, 124, 125, 126, 127, 128, 129] i: 1 j: 3 k[0-9] -> [130, 131, 132, 133, 134, 135, 136, 137, 138, 139] i: 1 j: 4 k[0-9] -> [140, 141, 142, 143, 144, 145, 146, 147, 148, 149] i: 1 j: 5 k[0-9] -> [150, 151, 152, 153, 154, 155, 156, 157, 158, 159] i: 1 j: 6 k[0-9] -> [160, 161, 162, 163, 164, 165, 166, 167, 168, 169] i: 1 j: 7 k[0-9] -> [170, 171, 172, 173, 174, 175, 176, 177, 178, 179] i: 1 j: 8 k[0-9] -> [180, 181, 182, 183, 184, 185, 186, 187, 188, 189] i: 1 j: 9 k[0-9] -> [190, 191, 192, 193, 194, 195, 196, 197, 198, 199] i: 2 j: 0 k[0-9] -> [200, 201, 202, 203, 204, 205, 206, 207, 208, 209] i: 2 j: 1 k[0-9] -> [210, 211, 212, 213, 214, 215, 216, 217, 218, 219] i: 2 j: 2 k[0-9] -> [220, 221, 222, 223, 224, 225, 226, 227, 228, 229] i: 2 j: 3 k[0-9] -> [230, 231, 232, 233, 234, 235, 236, 237, 238, 239] i: 2 j: 4 k[0-9] -> [240, 241, 242, 243, 244, 245, 246, 247, 248, 249] i: 2 j: 5 k[0-9] -> [250, 251, 252, 253, 254, 255, 256, 257, 258, 259] i: 2 j: 6 k[0-9] -> [260, 261, 262, 263, 264, 265, 266, 267, 268, 269] i: 2 j: 7 k[0-9] -> [270, 271, 272, 273, 274, 275, 276, 277, 278, 279] i: 2 j: 8 k[0-9] -> [280, 281, 282, 283, 284, 285, 286, 287, 288, 289] i: 2 j: 9 k[0-9] -> [290, 291, 292, 293, 294, 295, 296, 297, 298, 299] i: 3 j: 0 k[0-9] -> [300, 301, 302, 303, 304, 305, 306, 307, 308, 309] i: 3 j: 1 k[0-9] -> [310, 311, 312, 313, 314, 315, 316, 317, 318, 319] i: 3 j: 2 k[0-9] -> [320, 321, 322, 323, 324, 325, 326, 327, 328, 329] i: 3 j: 3 k[0-9] -> [330, 331, 332, 333, 334, 335, 336, 337, 338, 339] i: 3 j: 4 k[0-9] -> [340, 341, 342, 343, 344, 345, 346, 347, 348, 349] i: 3 j: 5 k[0-9] -> [350, 351, 352, 353, 354, 355, 356, 357, 358, 359] i: 3 j: 6 k[0-9] -> [360, 361, 362, 363, 364, 365, 366, 367, 368, 369] i: 3 j: 7 k[0-9] -> [370, 371, 372, 373, 374, 375, 376, 377, 378, 379] i: 3 j: 8 k[0-9] -> [380, 381, 382, 383, 384, 385, 386, 387, 388, 389] i: 3 j: 9 k[0-9] -> [390, 391, 392, 393, 394, 395, 396, 397, 398, 399] i: 4 j: 0 k[0-9] -> [400, 401, 402, 403, 404, 405, 406, 407, 408, 409] i: 4 j: 1 k[0-9] -> [410, 411, 412, 413, 414, 415, 416, 417, 418, 419] i: 4 j: 2 k[0-9] -> [420, 421, 422, 423, 424, 425, 426, 427, 428, 429] i: 4 j: 3 k[0-9] -> [430, 431, 432, 433, 434, 435, 436, 437, 438, 439] i: 4 j: 4 k[0-9] -> [440, 441, 442, 443, 444, 445, 446, 447, 448, 449] i: 4 j: 5 k[0-9] -> [450, 451, 452, 453, 454, 455, 456, 457, 458, 459] i: 4 j: 6 k[0-9] -> [460, 461, 462, 463, 464, 465, 466, 467, 468, 469] i: 4 j: 7 k[0-9] -> [470, 471, 472, 473, 474, 475, 476, 477, 478, 479] i: 4 j: 8 k[0-9] -> [480, 481, 482, 483, 484, 485, 486, 487, 488, 489] i: 4 j: 9 k[0-9] -> [490, 491, 492, 493, 494, 495, 496, 497, 498, 499] i: 5 j: 0 k[0-9] -> [500, 501, 502, 503, 504, 505, 506, 507, 508, 509] i: 5 j: 1 k[0-9] -> [510, 511, 512, 513, 514, 515, 516, 517, 518, 519] i: 5 j: 2 k[0-9] -> [520, 521, 522, 523, 524, 525, 526, 527, 528, 529] i: 5 j: 3 k[0-9] -> [530, 531, 532, 533, 534, 535, 536, 537, 538, 539] i: 5 j: 4 k[0-9] -> [540, 541, 542, 543, 544, 545, 546, 547, 548, 549] i: 5 j: 5 k[0-9] -> [550, 551, 552, 553, 554, 555, 556, 557, 558, 559] i: 5 j: 6 k[0-9] -> [560, 561, 562, 563, 564, 565, 566, 567, 568, 569] i: 5 j: 7 k[0-9] -> [570, 571, 572, 573, 574, 575, 576, 577, 578, 579] i: 5 j: 8 k[0-9] -> [580, 581, 582, 583, 584, 585, 586, 587, 588, 589] i: 5 j: 9 k[0-9] -> [590, 591, 592, 593, 594, 595, 596, 597, 598, 599] i: 6 j: 0 k[0-9] -> [600, 601, 602, 603, 604, 605, 606, 607, 608, 609] i: 6 j: 1 k[0-9] -> [610, 611, 612, 613, 614, 615, 616, 617, 618, 619] i: 6 j: 2 k[0-9] -> [620, 621, 622, 623, 624, 625, 626, 627, 628, 629] i: 6 j: 3 k[0-9] -> [630, 631, 632, 633, 634, 635, 636, 637, 638, 639] i: 6 j: 4 k[0-9] -> [640, 641, 642, 643, 644, 645, 646, 647, 648, 649] i: 6 j: 5 k[0-9] -> [650, 651, 652, 653, 654, 655, 656, 657, 658, 659] i: 6 j: 6 k[0-9] -> [660, 661, 662, 663, 664, 665, 666, 667, 668, 669] i: 6 j: 7 k[0-9] -> [670, 671, 672, 673, 674, 675, 676, 677, 678, 679] i: 6 j: 8 k[0-9] -> [680, 681, 682, 683, 684, 685, 686, 687, 688, 689] i: 6 j: 9 k[0-9] -> [690, 691, 692, 693, 694, 695, 696, 697, 698, 699] i: 7 j: 0 k[0-9] -> [700, 701, 702, 703, 704, 705, 706, 707, 708, 709] i: 7 j: 1 k[0-9] -> [710, 711, 712, 713, 714, 715, 716, 717, 718, 719] i: 7 j: 2 k[0-9] -> [720, 721, 722, 723, 724, 725, 726, 727, 728, 729] i: 7 j: 3 k[0-9] -> [730, 731, 732, 733, 734, 735, 736, 737, 738, 739] i: 7 j: 4 k[0-9] -> [740, 741, 742, 743, 744, 745, 746, 747, 748, 749] i: 7 j: 5 k[0-9] -> [750, 751, 752, 753, 754, 755, 756, 757, 758, 759] i: 7 j: 6 k[0-9] -> [760, 761, 762, 763, 764, 765, 766, 767, 768, 769] i: 7 j: 7 k[0-9] -> [770, 771, 772, 773, 774, 775, 776, 777, 778, 779] i: 7 j: 8 k[0-9] -> [780, 781, 782, 783, 784, 785, 786, 787, 788, 789] i: 7 j: 9 k[0-9] -> [790, 791, 792, 793, 794, 795, 796, 797, 798, 799] i: 8 j: 0 k[0-9] -> [800, 801, 802, 803, 804, 805, 806, 807, 808, 809] i: 8 j: 1 k[0-9] -> [810, 811, 812, 813, 814, 815, 816, 817, 818, 819] i: 8 j: 2 k[0-9] -> [820, 821, 822, 823, 824, 825, 826, 827, 828, 829] i: 8 j: 3 k[0-9] -> [830, 831, 832, 833, 834, 835, 836, 837, 838, 839] i: 8 j: 4 k[0-9] -> [840, 841, 842, 843, 844, 845, 846, 847, 848, 849] i: 8 j: 5 k[0-9] -> [850, 851, 852, 853, 854, 855, 856, 857, 858, 859] i: 8 j: 6 k[0-9] -> [860, 861, 862, 863, 864, 865, 866, 867, 868, 869] i: 8 j: 7 k[0-9] -> [870, 871, 872, 873, 874, 875, 876, 877, 878, 879] i: 8 j: 8 k[0-9] -> [880, 881, 882, 883, 884, 885, 886, 887, 888, 889] i: 8 j: 9 k[0-9] -> [890, 891, 892, 893, 894, 895, 896, 897, 898, 899] i: 9 j: 0 k[0-9] -> [900, 901, 902, 903, 904, 905, 906, 907, 908, 909] i: 9 j: 1 k[0-9] -> [910, 911, 912, 913, 914, 915, 916, 917, 918, 919] i: 9 j: 2 k[0-9] -> [920, 921, 922, 923, 924, 925, 926, 927, 928, 929] i: 9 j: 3 k[0-9] -> [930, 931, 932, 933, 934, 935, 936, 937, 938, 939] i: 9 j: 4 k[0-9] -> [940, 941, 942, 943, 944, 945, 946, 947, 948, 949] i: 9 j: 5 k[0-9] -> [950, 951, 952, 953, 954, 955, 956, 957, 958, 959] i: 9 j: 6 k[0-9] -> [960, 961, 962, 963, 964, 965, 966, 967, 968, 969] i: 9 j: 7 k[0-9] -> [970, 971, 972, 973, 974, 975, 976, 977, 978, 979] i: 9 j: 8 k[0-9] -> [980, 981, 982, 983, 984, 985, 986, 987, 988, 989] i: 9 j: 9 k[0-9] -> [990, 991, 992, 993, 994, 995, 996, 997, 998, 999]